The disease also means Jonah has a difficult time fighting off bacterial infections. Back in 2013, NBC reported then-7-year-old Jonah had already been to the hospital more than 20 times.

Dr. David Weinstein from the University of Florida has spent years working to find a cure for GSD type 1b, which was considered fatal until around 1971.

All of the money raised from Dylan’s book goes directly to Weinstein’s research fund. Jonah’s family fronts the cost of publishing and shipping the books, which are sold for $20 each. (Video via KCAL) Dylan’s success with his book sales has been highly publicized over the past two years. Now, Dylan has reached his $1 million goal, and he says isn’t stopping until a cure is found.

“I hope it will mean that he will be all better for the rest of his life and won’t have to deal with this anymore,” Dylan told ABC .

More than 25,000 copies of “Chocolate Bar” have been sold in more than 60 countries.